Vintage Framed and Mounted “Specimen of a Pearl Shell” Consign Now DeptDecorative Arts, JewelrySize14 in. x 16.75 in. Vintage Framed and Mounted “Specimen of a Pearl Shell”, souvenir with each shell representing a different stage of the pearl’s growth stage 14 in. x 16.75 in. Please note that this auction has ended. Click here for an overview of this auction.